fix

core.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"sort"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/google/uuid"
@@ -99,12 +100,21 @@ func isInWeekOfDay(t time.Time, ta TimeArrow) bool {
 	return false
 }
 
+var timeCompletionCache sync.Map
+
 func timeCompletion(a string) string {
+	rets, ok := timeCompletionCache.Load(a)
+	if ok {
+		return rets.(string)
+	}
+
 	sc := strings.Split(a, ":")
 	for len(sc) < 3 {
 		sc = append(sc, "00")
 	}
-	return strings.Join(sc, ":")
+	ret := strings.Join(sc, ":")
+	timeCompletionCache.Store(a, ret)
+	return ret
 }
 
 func isInDayOfMonth(t time.Time, ta TimeArrow) bool {